Watch the entire Build 2014 Day 2 keynote right here (video)

Microsoft's Build 2014 Developer Conference has come to a close and the Redmond giant shined during the three day event unveiling the brand new Windows Phone 8.1 mobile operating system, along with updates to Windows 8.1 and more. While Day 1 of Build 2014 was full of Windows and Windows Phone related news, Day 2 of the event was focused on developers and the enterprise.

If you missed the entire keynote, we've embedded the nearly-three-hour on-demand video of the event below. "Mobile first, cloud first" was the theme! The company introduced new features to Microsoft Azure, and even revealed that the .NET Compiler Platform "Roslyn" is now open source.